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Analysis of Platinum Cured Silicone Rubber Date:2013-08-02

Difference between platinum cured silicone rubber and silicone

There are many different forms and synthetic way of silicone rubber. Platinum is a catalyst which is a promotion of chemical reactions of substances. High-performance platinum catalyst with high efficiency, can inhibit the Si- Vi and Si- H reaction accompanied by side effects in the process and avoid the generation of the black substance. Generally, the product is appearing yellow or black phenomenon when the other catalysts are used in the product. So, you can prepare high transparent products by adding the platinum catalyst, and the transparency can be more than Japan, the United States, Germany and other similar foreign products. In a word, Platinum cured silicone rubber with high purity and quality as well as its unique properties is more superior to the ordinary silicone rubber products.


Description of platinum cured silicone rubber

Platinum cured silicone rubber is also called two-part addition silicone rubber that vulcanizes at room temperature. Part A is a flowable liquid, part B is the curing agent (platinum catalyst). The two components of Part A and part B are mixed by the ratio of 1:1. Platinum cured silicone rubber with translucent appearance is a kind of FDA grade silicone. It’s most suitable for molds making application.


Applications of platinum cured silicone rubber

Platinum cured silicone rubber has come into our life. It basically has the following four aspects. Firstly, Platinum cured silicone rubber can be used for epoxy resins, polyester resins, polystyrene, vinyl plastic, wax and other materials mold. Secondly, it is widely used in concrete stone, plaster casting, culture stone, large cement components and other products mold manufacturing. Then, platinum cured silicone rubber can applicable to candy, biscuits, cakes, chocolate and any other food product molds making. In addition, we also can use it to create our kitchen supplies mold.


Platinum cured silicone rubber, FDA platinum silicone rubber, Platinum silicone


Characteristics of platinum cured silicone rubber

Almost nil shrinkage (less than 0.1% )

Good tear strength (this feature ensures higher resistance to wearing and shearing)

High dimensional stability over time and non-deformability

High temperature resistant in 250 Centigrade

Exceptional fluidity and good operability (mixing ratio at 1:1 )

High chemical resistance to aggressive components of some types of resins

Food grade silicone (environmental, odorless and nontoxic)


Model recommended for platinum cured silicone rubber

Shenzhen Hong Ye Jie Technology Co., Ltd., which was established in 1998, is a Science and technology corporation which is engaged in production, R & D, and sales of silicon rubber and silicon products. Our company provides platinum cured silicone rubber. The model codes of HY- E625, HY- E630 and HY- E642 is made for you! Next, I will describe the parameter of these models of HY- E625, HY- E630 and HY- E642.





Hardness(Shore A0)

Tensile strength (MPa)

Tear-strength (kN/m)



Mix Ratio (A:B)

Pot lifemins)


















1:1 or 10:1









1:1 or 10:1



Different type of catalyst is available according to customer’s specific requirements.

All the parameters are for reference only, if you have special requirements or haven’t find proper products please contact us.


Shenzhen Hong Ye Jie Technology Co., Ltd. is platinum cured silicone rubber manufacturer. What you need is what we pursue. We are sure that our silicone  raw materials will bring you first class products, and we'll provide free technology service and free technical training. We are looking forward to establishing long and good business relationship with you. You can visit our website:, or send us email right now at for more information about our company and product.

TypeInfo: Product News

Keywords for the information:Silicone/Silicon  Platinum silicone rubber  Platinum cured silicone  FDA platinum silicone  Silicone rubber